Christianity
No, no they did not. They had their own religion which predates the bible. They weren't christians and had their own beliefs on things.
The dominant religion in the Roman Empire was the Roman religion until Christianity became the dominant religion.
they studied Christianity after they were conquered
No, the Phoenix predates Christianity
Before Christianity came to Britain, the priests of the ancient Briton were of the Druid religion. This was a pagan religion and they offered human sacrifice.
Before Christianity, they were pagan.
No, cuneiform predates it by a few thousand years. Cuneiform was used in ancient Babylon, which had a polytheistic religion.
Over 5000 years ago and predates Christianity.
Yes ancient Greece and ancient Egypt have gods and goddesses. They also have modern religion of Islam and Christianity.
Christianity thanks to all the misionary work it is over 50%
Somehow they believed in a religion that is practically considered hell in Christianity.